Given :
Initial salary , [tex]S_i=\$9[/tex] .
Final salary , [tex]S_f=\$19[/tex] .
To Find :
The percent increase in the salary .
Solution :
Percentage increase is given by :
[tex]\%=\dfrac{final - initial }{initial}\times 100\\\\\%=\dfrac{19-9}{9}\times 100\\\\\%=\dfrac{10}{9}\times 100\\\\\%=111.11 \%[/tex]
Therefore , % increase is 111.11 % .
Hence , this is the required solution .
